详细地讲述了空间矢量脉冲宽度调制的原理，对于初学者很有用。-Detailed descr iption of the space vector pulse width modulation principle, useful for beginners.

脉冲响应的相关分析算法并检验，二维声子晶体FDTD方法计算禁带宽度的例子,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。- Related impulse response analysis algorithm and inspection, Dimensional phononic crystals FDTD method calculation examples band gap, Including the final calculation of the compressed ima

小波包分析提取振动信号中的特征频率，含噪脉冲信号进行相关检测,二维声子晶体FDTD方法计算禁带宽度的例子。- Wavelet packet analysis to extract vibration signal characteristic frequency, Noisy pulse correlation detection signal, Dimensional phononic crystals FDTD method calculation examples band gap.

二维声子晶体FDTD方法计算禁带宽度的例子,相参脉冲串复调制信号，数据模型归一化，模态振动。- Dimensional phononic crystals FDTD method calculation examples band gap, Complex modulation coherent pulse train signal, Normalized data model, modal vibration.